共用方式為


CheckBoxList.CreateControlStyle 方法

定義

建立樣式物件,這個物件是由 CheckBoxList 控制項在內部使用,以實作所有的樣式相關屬性。

protected:
 override System::Web::UI::WebControls::Style ^ CreateControlStyle();
protected override System.Web.UI.WebControls.Style CreateControlStyle ();
override this.CreateControlStyle : unit -> System.Web.UI.WebControls.Style
Protected Overrides Function CreateControlStyle () As Style

傳回

Style

Style,包含控制項的樣式屬性。

範例

下列程式碼範例示範如何在自訂伺服器控制項中覆寫 CreateControlStyle 方法,以便一律傳 CheckBoxList 回 控制項類別 TableStyle 的新實例。

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ Page language="c#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head>
    <title>Custom CheckBoxList - CreateControlStyle - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom CheckBoxList - CreateControlStyle - C# Example</h3>

      <aspSample:CustomCheckBoxListCreateControlStyle
        id="CheckBoxList1"
        runat="server"
        RepeatLayout="Table"
        RepeatColumns="2"
        CellSpacing="3"
        CellPadding="3">
        <asp:ListItem  Selected="True">Item 1</asp:ListItem>
        <asp:ListItem>Item 2</asp:ListItem>
        <asp:ListItem>Item 3</asp:ListItem>
        <asp:ListItem>Item 4</asp:ListItem>
        <asp:ListItem>Item 5</asp:ListItem>
        <asp:ListItem>Item 6</asp:ListItem>
      </aspSample:CustomCheckBoxListCreateControlStyle>

    </form>
  </body>
</html>
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB" %>
<%@ Page language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
  <head>
    <title>Custom CheckBoxList - CreateControlStyle - VB.NET Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      <h3>Custom CheckBoxList - CreateControlStyle - VB.NET Example</h3>
      <aspSample:CustomCheckBoxListCreateControlStyle id="CheckBoxList" runat="server"
       RepeatLayout="Table" RepeatColumns="2" CellSpacing="3" CellPadding="3">
                <asp:ListItem  Selected="True">Item 1</asp:ListItem>
                <asp:ListItem>Item 2</asp:ListItem>
                <asp:ListItem>Item 3</asp:ListItem>
                <asp:ListItem>Item 4</asp:ListItem>
                <asp:ListItem>Item 5</asp:ListItem>
                <asp:ListItem>Item 6</asp:ListItem>
            </aspSample:CustomCheckBoxListCreateControlStyle>
    </form>
  </body>
</html>
using System.Web;
using System.Security.Permissions;

namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomCheckBoxListCreateControlStyle : System.Web.UI.WebControls.CheckBoxList
    {
        protected override System.Web.UI.WebControls.Style CreateControlStyle()
        {
        // Initializes and return a new instance of the TableStyle class.
        return new System.Web.UI.WebControls.TableStyle(this.ViewState);
        }
    }
}
Imports System.Web
Imports System.Security.Permissions

Namespace Samples.AspNet.VB.Controls
    <AspNetHostingPermission(SecurityAction.Demand, Level:=AspNetHostingPermissionLevel.Minimal)> _
    Public NotInheritable Class CustomCheckBoxListCreateControlStyle
        Inherits System.Web.UI.WebControls.CheckBoxList

        Protected Overrides Function CreateControlStyle() As System.Web.UI.WebControls.Style

            ' Initializes and return a new instance of the TableStyle class.
            Return New System.Web.UI.WebControls.TableStyle(Me.ViewState)
        End Function
    End Class
End Namespace

備註

方法 CreateControlStyle 主要是由衍生自 類別的 CheckBoxList 自訂控制項中的控制項開發人員使用。

適用於

另請參閱